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The Transmit Power of an Optical Module Is Low
Use an optical power meter to test the transmit power of an optical module. If the transmit power is too low, locate possible causes as follows:
- Check whether the optical port on the optical module is contaminated, for example, by dust. If so, clean the optical module. Then test whether the transmit power of the optical module is recovered to normal. Cover idle optical modules with dust caps.
- If the fault persists, the optical module is faulty. Return and repair the optical module.
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